Хаос на стадионе
May. 18th, 2021 01:09 pm![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png){kind=small}
ny_quantВ Твиттере иногда все же попадаются любопытные вещи. А анимации так просто ваще.
https://twitter.com/johncarlosbaez/status/1394345575714213888
https://twitter.com/johncarlosbaez/status/1394345575714213888
Bunimovich showed a particle bouncing in a rectangle with two circular caps moves around chaotically. The boundary of this region isn't smooth.
— John Carlos Baez (@johncarlosbaez) May 17, 2021
In 1973, Lazutkin showed that for a convex region whose boundary has ≥ 553 continuous derivatives, chaos is impossible!
(1/n) pic.twitter.com/oKXesLmzrU
